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Journal articles on the topic 'BINARIZATION TECHNIQUE'

Author: Grafiati

Published: 11 September 2023

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1

Thepade, Sudeep, Rik Das, and Saurav Ghosh. "A Novel Feature Extraction Technique Using Binarization of Bit Planes for Content Based Image Classification." Journal of Engineering 2014 (2014): 1–13. http://dx.doi.org/10.1155/2014/439218.

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A number of techniques have been proposed earlier for feature extraction using image binarization. Efficiency of the techniques was dependent on proper threshold selection for the binarization method. In this paper, a new feature extraction technique using image binarization has been proposed. The technique has binarized the significant bit planes of an image by selecting local thresholds. The proposed algorithm has been tested on a public dataset and has been compared with existing widely used techniques using binarization for extraction of features. It has been inferred that the proposed met

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Yu, Young-Jung. "Document Image Binarization Technique using MSER." Journal of the Korea Institute of Information and Communication Engineering 18, no. 8 (2014): 1941–47. http://dx.doi.org/10.6109/jkiice.2014.18.8.1941.

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MAKRIDIS, MICHAEL, and N. PAPAMARKOS. "AN ADAPTIVE LAYER-BASED LOCAL BINARIZATION TECHNIQUE FOR DEGRADED DOCUMENTS." International Journal of Pattern Recognition and Artificial Intelligence 24, no. 02 (2010): 245–79. http://dx.doi.org/10.1142/s0218001410007889.

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This paper presents a new technique for adaptive binarization of degraded document images. The proposed technique focuses on degraded documents with various background patterns and noise. It involves a preprocessing local background estimation stage, which detects for each pixel that is considered as background one, a proper grayscale value. Then, the estimated background is used to produce a new enhanced image having uniform background layers and increased local contrast. That is, the new image is a combination of background and foreground layers. Foreground and background layers are then sep

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CHI, ZHERU, and QING WANG. "DOCUMENT IMAGE BINARIZATION WITH FEEDBACK FOR IMPROVING CHARACTER SEGMENTATION." International Journal of Image and Graphics 05, no. 02 (2005): 281–309. http://dx.doi.org/10.1142/s0219467805001768.

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Binarization of gray scale document images is one of the most important steps in automatic document image processing. In this paper, we present a two-stage document image binarization approach, which includes a top-down region-based binarization at the first stage and a neural network based binarization technique for the problematic blocks at the second stage after a feedback checking. Our two-stage approach is particularly effective for binarizing text images of highlighted or marked text. The region-based binarization method is fast and suitable for processing large document images. However,

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Pagare, Mr Aniket. "Document Image Binarization using Image Segmentation Technique." International Journal for Research in Applied Science and Engineering Technology 9, no. VII (2021): 1173–76. http://dx.doi.org/10.22214/ijraset.2021.36597.

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Segmentation of text from badly degraded document images is an extremely difficult assignment because of the high inter/Intra variety between the record foundation and the frontal area text of various report pictures. Picture preparing and design acknowledgment algorithms set aside more effort for execution on a solitary center processor. Designs Preparing Unit (GPU) is more mainstream these days because of its speed, programmability, minimal expense and more inbuilt execution centers in it. The primary objective of this exploration work is to make binarization quicker for acknowledgment of a

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Abbood, Alaa Ahmed, Mohammed Sabbih Hamoud Al-Tamimi, Sabine U. Peters, and Ghazali Sulong. "New Combined Technique for Fingerprint Image Enhancement." Modern Applied Science 11, no. 1 (2016): 222. http://dx.doi.org/10.5539/mas.v11n1p222.

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This paper presents a combination of enhancement techniques for fingerprint images affected by different type of noise. These techniques were applied to improve image quality and come up with an acceptable image contrast. The proposed method included five different enhancement techniques: Normalization, Histogram Equalization, Binarization, Skeletonization and Fusion. The Normalization process standardized the pixel intensity which facilitated the processing of subsequent image enhancement stages. Subsequently, the Histogram Equalization technique increased the contrast of the images. Furtherm

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Adhari, Firman Maulana, Taufik Fuadi Abidin, and Ridha Ferdhiana. "License Plate Character Recognition using Convolutional Neural Network." Journal of Information Systems Engineering and Business Intelligence 8, no. 1 (2022): 51–60. http://dx.doi.org/10.20473/jisebi.8.1.51-60.

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Background: In the last decade, the number of registered vehicles has grown exponentially. With more vehicles on the road, traffic jams, accidents, and violations also increase. A license plate plays a key role in solving such problems because it stores a vehicle’s historical information. Therefore, automated license-plate character recognition is needed. Objective: This study proposes a recognition system that uses convolutional neural network (CNN) architectures to recognize characters from a license plate’s images. We called it a modified LeNet-5 architecture. Methods: We used four differen

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García, José, Paola Moraga, Matias Valenzuela, et al. "A Db-Scan Binarization Algorithm Applied to Matrix Covering Problems." Computational Intelligence and Neuroscience 2019 (September 16, 2019): 1–16. http://dx.doi.org/10.1155/2019/3238574.

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The integration of machine learning techniques and metaheuristic algorithms is an area of interest due to the great potential for applications. In particular, using these hybrid techniques to solve combinatorial optimization problems (COPs) to improve the quality of the solutions and convergence times is of great interest in operations research. In this article, the db-scan unsupervised learning technique is explored with the goal of using it in the binarization process of continuous swarm intelligence metaheuristic algorithms. The contribution of the db-scan operator to the binarization proce

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Rozen, Tal, Moshe Kimhi, Brian Chmiel, Avi Mendelson, and Chaim Baskin. "Bimodal-Distributed Binarized Neural Networks." Mathematics 10, no. 21 (2022): 4107. http://dx.doi.org/10.3390/math10214107.

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Binary neural networks (BNNs) are an extremely promising method for reducing deep neural networks’ complexity and power consumption significantly. Binarization techniques, however, suffer from ineligible performance degradation compared to their full-precision counterparts. Prior work mainly focused on strategies for sign function approximation during the forward and backward phases to reduce the quantization error during the binarization process. In this work, we propose a bimodal-distributed binarization method (BD-BNN). The newly proposed technique aims to impose a bimodal distribution of t

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Joseph, Manju, and Jijina K. P. Jijina K.P. "Simple and Efficient Document Image Binarization Technique For Degraded Document Images." International Journal of Scientific Research 3, no. 5 (2012): 217–20. http://dx.doi.org/10.15373/22778179/may2014/65.

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Chamchong, Rapeeporn, and Chun Che Fung. "A Framework for the Selection of Binarization Techniques on Palm Leaf Manuscripts Using Support Vector Machine." Advances in Decision Sciences 2015 (January 26, 2015): 1–7. http://dx.doi.org/10.1155/2015/925935.

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Challenges for text processing in ancient document images are mainly due to the high degree of variations in foreground and background. Image binarization is an image segmentation technique used to separate the image into text and background components. Although several techniques for binarizing text documents have been proposed, the performance of these techniques varies and depends on the image characteristics. Therefore, selecting binarization techniques can be a key idea to achieve improved results. This paper proposes a framework for selecting binarizing techniques of palm leaf manuscript

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Lokhande, Supriya, and N. A. Dawande N.A.Dawande. "Document Image Binarization Technique for Degraded Document Images." International Journal of Computer Applications 122, no. 22 (2015): 22–29. http://dx.doi.org/10.5120/21858-5183.

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Tomar, Kirti. "A Survey on Binarization Technique for Degraded Documents." International Journal for Research in Applied Science and Engineering Technology 7, no. 5 (2019): 1115–22. http://dx.doi.org/10.22214/ijraset.2019.5185.

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Singh, Brij Mohan, and Mridula. "Efficient binarization technique for severely degraded document images." CSI Transactions on ICT 2, no. 3 (2014): 153–61. http://dx.doi.org/10.1007/s40012-014-0045-5.

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Jacobs, B. A., and E. Momoniat. "A locally adaptive, diffusion based text binarization technique." Applied Mathematics and Computation 269 (October 2015): 464–72. http://dx.doi.org/10.1016/j.amc.2015.07.091.

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García, José, Paola Moraga, Matias Valenzuela, and Hernan Pinto. "A db-Scan Hybrid Algorithm: An Application to the Multidimensional Knapsack Problem." Mathematics 8, no. 4 (2020): 507. http://dx.doi.org/10.3390/math8040507.

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This article proposes a hybrid algorithm that makes use of the db-scan unsupervised learning technique to obtain binary versions of continuous swarm intelligence algorithms. These binary versions are then applied to large instances of the well-known multidimensional knapsack problem. The contribution of the db-scan operator to the binarization process is systematically studied. For this, two random operators are built that serve as a baseline for comparison. Once the contribution is established, the db-scan operator is compared with two other binarization methods that have satisfactorily solve

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Becerra-Rozas, Marcelo, José Lemus-Romani, Felipe Cisternas-Caneo, Broderick Crawford, Ricardo Soto, and José García. "Swarm-Inspired Computing to Solve Binary Optimization Problems: A Backward Q-Learning Binarization Scheme Selector." Mathematics 10, no. 24 (2022): 4776. http://dx.doi.org/10.3390/math10244776.

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In recent years, continuous metaheuristics have been a trend in solving binary-based combinatorial problems due to their good results. However, to use this type of metaheuristics, it is necessary to adapt them to work in binary environments, and in general, this adaptation is not trivial. The method proposed in this work evaluates the use of reinforcement learning techniques in the binarization process. Specifically, the backward Q-learning technique is explored to choose binarization schemes intelligently. This allows any continuous metaheuristic to be adapted to binary environments. The illu

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Kim, Min-Ki. "Adaptive Thresholding Technique for Binarization of License Plate Images." Journal of the Optical Society of Korea 14, no. 4 (2010): 368–75. http://dx.doi.org/10.3807/josk.2010.14.4.368.

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lu, Sha. "A Review Paper on Character Recognition using Binarization technique." International Journal of Engineering Trends and Technology 22, no. 5 (2015): 214–17. http://dx.doi.org/10.14445/22315381/ijett-v22p245.

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Bolan Su, Shijian Lu, and Chew Lim Tan. "Robust Document Image Binarization Technique for Degraded Document Images." IEEE Transactions on Image Processing 22, no. 4 (2013): 1408–17. http://dx.doi.org/10.1109/tip.2012.2231089.

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Sari, Toufik, Abderrahmane Kefali, and Halima Bahi. "Text Extraction from Historical Document Images by the Combination of Several Thresholding Techniques." Advances in Multimedia 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/934656.

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This paper presents a new technique for the binarization of historical document images characterized by deteriorations and damages making their automatic processing difficult at several levels. The proposed method is based on hybrid thresholding combining the advantages of global and local methods and on the mixture of several binarization techniques. Two stages have been included. In the first stage, global thresholding is applied on the entire image and two different thresholds are determined from which the most of image pixels are classified intoforegroundorbackground. In the second stage,

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Ovchinnikov, Andrey S., Vitaly V. Krasnov, Pavel A. Cheremkhin, et al. "What Binarization Method Is the Best for Amplitude Inline Fresnel Holograms Synthesized for Divergent Beams Using the Direct Search with Random Trajectory Technique?" Journal of Imaging 9, no. 2 (2023): 28. http://dx.doi.org/10.3390/jimaging9020028.

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Fast reconstruction of holographic and diffractive optical elements (DOE) can be implemented by binary digital micromirror devices (DMD). Since micromirrors of the DMD have two positions, the synthesized DOEs must be binary. This work studies the possibility of improving the method of synthesis of amplitude binary inline Fresnel holograms in divergent beams. The method consists of the modified Gerchberg–Saxton algorithm, Otsu binarization and direct search with random trajectory technique. To achieve a better quality of reconstruction, various binarization methods were compared. We performed n

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Natarajan, Jayanthi, and Indu Sreedevi. "Enhancement of ancient manuscript images by log based binarization technique." AEU - International Journal of Electronics and Communications 75 (May 2017): 15–22. http://dx.doi.org/10.1016/j.aeue.2017.03.002.

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Becerra-Rozas, Marcelo, José Lemus-Romani, Felipe Cisternas-Caneo, et al. "Continuous Metaheuristics for Binary Optimization Problems: An Updated Systematic Literature Review." Mathematics 11, no. 1 (2022): 129. http://dx.doi.org/10.3390/math11010129.

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For years, extensive research has been in the binarization of continuous metaheuristics for solving binary-domain combinatorial problems. This paper is a continuation of a previous review and seeks to draw a comprehensive picture of the various ways to binarize this type of metaheuristics; the study uses a standard systematic review consisting of the analysis of 512 publications from 2017 to January 2022 (5 years). The work will provide a theoretical foundation for novice researchers tackling combinatorial optimization using metaheuristic algorithms and for expert researchers analyzing the bin

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Amitha, Dr T., and Dr B. Raghu. "Robust Phase-Based Features Extracted From Image By A Binarization Technique." IOSR Journal of Computer Engineering 18, no. 04 (2016): 10–14. http://dx.doi.org/10.9790/0661-1804041014.

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Azani Mustafa, Wan, Haniza Yazid, Ahmed Alkhayyat, Mohd Aminudin Jamlos, and Hasliza A. Rahim. "Effect of Direct Statistical Contrast Enhancement Technique on Document Image Binarization." Computers, Materials & Continua 70, no. 2 (2022): 3549–64. http://dx.doi.org/10.32604/cmc.2022.019801.

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Choudhary, Amit, Rahul Rishi, and Savita Ahlawat. "Off-line Handwritten Character Recognition Using Features Extracted from Binarization Technique." AASRI Procedia 4 (2013): 306–12. http://dx.doi.org/10.1016/j.aasri.2013.10.045.

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Salama, Mostafa A., and Aboul Ella Hassanien. "Binarization and Validation in Formal Concept Analysis." International Journal of Systems Biology and Biomedical Technologies 1, no. 4 (2012): 16–27. http://dx.doi.org/10.4018/ijsbbt.2012100102.

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Representation and visualization of continuous data using the Formal Concept Analysis (FCA) became an important requirement in real-life fields. Application of formal concept analysis (FCA) model on numerical data, a scaling or Discretization / binarization procedures should be applied as preprocessing stage. The Scaling procedure increases the complexity of computation of the FCA, while the binarization process leads to a distortion in the internal structure of the input data set. The proposed approach uses a binarization procedure prior to applying FCA model, and then applies a validation pr

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Saddami, Khairun, Khairul Munadi, Yuwaldi Away, and Fitri Arnia. "Improvement of binarization performance using local otsu thresholding." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 1 (2019): 264. http://dx.doi.org/10.11591/ijece.v9i1.pp264-272.

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<p><span>Ancient document usually contains multiple noises such as uneven-background, show-through, water-spilling, spots, and blur text. The noise will affect the binarization process. Binarization is an extremely important process in image processing, especially for character recognition. This paper presents an improvement to Nina binarization technique. Improvements were achieved by reducing processing steps and replacing median filtering by Wiener filtering. First, the document background was approximated by using Wiener filter, and then image subtraction was applied. Furthermo

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Fang, Yating, and Baojiang Zhong. "Cell segmentation in fluorescence microscopy images based on multi-scale histogram thresholding." Mathematical Biosciences and Engineering 20, no. 9 (2023): 16259–78. http://dx.doi.org/10.3934/mbe.2023726.

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<abstract><p>Cell segmentation from fluorescent microscopy images plays an important role in various applications, such as disease mechanism assessment and drug discovery research. Exiting segmentation methods often adopt image binarization as the first step, through which the foreground cell is separated from the background so that the subsequent processing steps can be greatly facilitated. To pursue this goal, a histogram thresholding can be performed on the input image, which first applies a Gaussian smoothing to suppress the jaggedness of the histogram curve and then exploits R

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García, José, Gino Astorga, and Víctor Yepes. "An Analysis of a KNN Perturbation Operator: An Application to the Binarization of Continuous Metaheuristics." Mathematics 9, no. 3 (2021): 225. http://dx.doi.org/10.3390/math9030225.

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The optimization methods and, in particular, metaheuristics must be constantly improved to reduce execution times, improve the results, and thus be able to address broader instances. In particular, addressing combinatorial optimization problems is critical in the areas of operational research and engineering. In this work, a perturbation operator is proposed which uses the k-nearest neighbors technique, and this is studied with the aim of improving the diversification and intensification properties of metaheuristic algorithms in their binary version. Random operators are designed to study the

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Elvas, Luis B., Ana G. Almeida, Luís Rosario, Miguel Sales Dias, and João C. Ferreira. "Calcium Identification and Scoring Based on Echocardiography. An Exploratory Study on Aortic Valve Stenosis." Journal of Personalized Medicine 11, no. 7 (2021): 598. http://dx.doi.org/10.3390/jpm11070598.

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Currently, an echocardiography expert is needed to identify calcium in the aortic valve, and a cardiac CT-Scan image is needed for calcium quantification. When performing a CT-scan, the patient is subject to radiation, and therefore the number of CT-scans that can be performed should be limited, restricting the patient’s monitoring. Computer Vision (CV) has opened new opportunities for improved efficiency when extracting knowledge from an image. Applying CV techniques on echocardiography imaging may reduce the medical workload for identifying the calcium and quantifying it, helping doctors to

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Mollah, Ayatullah Faruk, Subhadip Basu, Mita Nasipuri, and Dipak Kumar Basu. "Handheld Mobile Device Based Text Region Extraction and Binarization of Image Embedded Text Documents." Journal of Intelligent Systems 22, no. 1 (2013): 25–47. http://dx.doi.org/10.1515/jisys-2012-0019.

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Abstract.Effective text region extraction and binarization of image embedded text documents on mobile devices having limited computational resources is an open research problem. In this paper, we present one such technique for preprocessing images captured with built-in cameras of handheld devices with an aim of developing an efficient Business Card Reader. At first, the card image is processed for isolating foreground components. These foreground components are classified as either text or non-text using different feature descriptors of texts and images. The non-text components are removed an

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Kim, Jung Hun, and Gibak Kim. "A Binarization Technique using Histogram Matching for License Plate with a Shadow." Journal of Broadcast Engineering 19, no. 1 (2014): 56–63. http://dx.doi.org/10.5909/jbe.2014.19.1.56.

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., Prashali Chaudhary. "AN EFFECTIVE AND ROBUST TECHNIQUE FOR THE BINARIZATION OF DEGRADED DOCUMENT IMAGES." International Journal of Research in Engineering and Technology 03, no. 06 (2014): 140–45. http://dx.doi.org/10.15623/ijret.2014.0306025.

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K. Bawa, Rajesh, and Ganesh K. Sethi. "A Binarization Technique for Extraction of Devanagari Text from Camera Based Images." Signal & Image Processing : An International Journal 5, no. 2 (2014): 29–37. http://dx.doi.org/10.5121/sipij.2014.5203.

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Wang, Chang, and Jing Jing Gao. "The Detection of Surface Quality On-Line Based on Machine Vision in the Production of Bearings." Applied Mechanics and Materials 319 (May 2013): 523–27. http://dx.doi.org/10.4028/www.scientific.net/amm.319.523.

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The combining of digital image processing technique and pattern recognition technique, it can be wild used in the products of industry classification and recognition Line bearing assembly defects in this article for the detection and identification of needs, Automatic detection system based on machine vision, contrast measurement plane array camera on a different surfaceImage acquisition, binarization processing for subsequent pretreatment image pattern recognition, feature extraction and eigenvalue comparison, product line surface defect detection and identification.

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PAPAMARKOS, NIKOS. "DOCUMENT GRAY-SCALE REDUCTION USING A NEURO-FUZZY TECHNIQUE." International Journal of Pattern Recognition and Artificial Intelligence 17, no. 04 (2003): 505–27. http://dx.doi.org/10.1142/s0218001403002502.

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This paper proposes a new neuro-fuzzy technique suitable for binarization and gray-scale reduction of digital documents. The proposed approach uses both the image gray-scales and additional local spatial features. Both, gray-scales and local feature values feed a Kohonen Self-Organized Feature Map (SOFM) neural network classifier. After training, the neurons of the output competition layer of the SOFM define two bilevel classes. Using the content of these classes, fuzzy membership functions are obtained that are next used by the fuzzy C-means (FCM) algorithm in order to reduce the character-bl

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Kowalczyk, Marek, Manuel Martínez-Corral, Tomasz Cichocki, and Pedro Andrés. "One-dimensional error-diffusion technique adapted for binarization of rotationally symmetric pupil filters." Optics Communications 114, no. 3-4 (1995): 211–18. http://dx.doi.org/10.1016/0030-4018(94)00607-v.

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Thepade, Sudeep, Rik Das, and Saurav Ghosh. "Feature Extraction with Ordered Mean Values for Content Based Image Classification." Advances in Computer Engineering 2014 (December 17, 2014): 1–15. http://dx.doi.org/10.1155/2014/454876.

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Categorization of images into meaningful classes by efficient extraction of feature vectors from image datasets has been dependent on feature selection techniques. Traditionally, feature vector extraction has been carried out using different methods of image binarization done with selection of global, local, or mean threshold. This paper has proposed a novel technique for feature extraction based on ordered mean values. The proposed technique was combined with feature extraction using discrete sine transform (DST) for better classification results using multitechnique fusion. The novel methodo

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Vizilter, Y. V., A. Y. Rubis, S. Y. Zheltov, and O. V. Vygolov. "CHANGE DETECTION VIA MORPHOLOGICAL COMPARATIVE FILTERS." ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences III-3 (June 3, 2016): 279–86. http://dx.doi.org/10.5194/isprsannals-iii-3-279-2016.

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In this paper we propose the new change detection technique based on morphological comparative filtering. This technique generalizes the morphological image analysis scheme proposed by Pytiev. A new class of comparative filters based on guided contrasting is developed. Comparative filtering based on diffusion morphology is implemented too. The change detection pipeline contains: comparative filtering on image pyramid, calculation of morphological difference map, binarization, extraction of change proposals and testing change proposals using local morphological correlation coefficient. Experime

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Vizilter, Y. V., A. Y. Rubis, S. Y. Zheltov, and O. V. Vygolov. "CHANGE DETECTION VIA MORPHOLOGICAL COMPARATIVE FILTERS." ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences III-3 (June 3, 2016): 279–86. http://dx.doi.org/10.5194/isprs-annals-iii-3-279-2016.

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In this paper we propose the new change detection technique based on morphological comparative filtering. This technique generalizes the morphological image analysis scheme proposed by Pytiev. A new class of comparative filters based on guided contrasting is developed. Comparative filtering based on diffusion morphology is implemented too. The change detection pipeline contains: comparative filtering on image pyramid, calculation of morphological difference map, binarization, extraction of change proposals and testing change proposals using local morphological correlation coefficient. Experime

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Yanagisawa, Toshifumi, Kohki Kamiya, and Hirohisa Kurosaki. "New NEO Detection Techniques using the FPGA." Publications of the Astronomical Society of Japan 73, no. 3 (2021): 519–29. http://dx.doi.org/10.1093/pasj/psab017.

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Abstract We have developed a new method for detecting near-Earth objects (NEOs) based on a Field Programmable Gate-Array (FPGA). Unlike conventional methods, our technique uses 30–40 frames to detect faint NEOs that are almost invisible on a single frame. To reduce analysis time, image binarization and an FPGA-implemented algorithm were used. This method has aided in the discovery of 11 NEOs by analyzing frames captured with 20 cm class telescopes. This new method will contribute to discovering new NEOs that approach the Earth closely.

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AL-SADOUN, HUMOUD B., and ADNAN AMIN. "A NEW STRUCTURAL TECHNIQUE FOR RECOGNIZING PRINTED ARABIC TEXT." International Journal of Pattern Recognition and Artificial Intelligence 09, no. 01 (1995): 101–25. http://dx.doi.org/10.1142/s0218001495000067.

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This paper proposes a new structural technique for Arabic text recognition. The technique can be divided into five major steps: (1) preprocessing and binarization; (2) thinning; (3) binary tree construction; (4) segmentation; and (5) recognition. The advantage of this technique is that its execution does not depend on either the font or size of character. Thus, this same technique might be utilized for the recognition of machine or hand printed text. The relevant algorithm is implemented on a microcomputer. Experiments were conducted to verify the accuracy and the speed of this algorithm using

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Santosh, K. C., Naved Alam, Partha Pratim Roy, Laurent Wendling, Sameer Antani, and George R. Thoma. "A Simple and Efficient Arrowhead Detection Technique in Biomedical Images." International Journal of Pattern Recognition and Artificial Intelligence 30, no. 05 (2016): 1657002. http://dx.doi.org/10.1142/s0218001416570020.

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In biomedical documents/publications, medical images tend to be complex by nature and often contain several regions that are annotated using arrows. In this context, an automated arrowhead detection is a critical precursor to region-of-interest (ROI) labeling and image content analysis. To detect arrowheads, in this paper, images are first binarized using fuzzy binarization technique to segment a set of candidates based on connected component (CC) principle. To select arrow candidates, we use convexity defect-based filtering, which is followed by template matching via dynamic time warping (DTW

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Makoveichuk, Oleksandr, Igor Ruban, Nataliia Bolohova, Andriy Kovalenko, Vitalii Martovytskyi, and Tetiana Filimonchuk. "Development of a method for improving stability method of applying digital watermarks to digital images." Eastern-European Journal of Enterprise Technologies 3, no. 2 (111) (2021): 45–56. http://dx.doi.org/10.15587/1729-4061.2021.235802.

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A technique for increasing the stability of methods for applying digital watermark into digital images is presented. A technique for increasing the stability of methods for applying digital watermarks into digital images, based on pseudo-holographic coding and additional filtering of a digital watermark, has been developed. The technique described in this work using pseudo-holographic coding of digital watermarks is effective for all types of attacks that were considered, except for image rotation. The paper presents a statistical indicator for assessing the stability of methods for applying d

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Das, Rik, Sudeep Thepade, Subhajit Bhattacharya, and Saurav Ghosh. "Retrieval Architecture with Classified Query for Content Based Image Recognition." Applied Computational Intelligence and Soft Computing 2016 (2016): 1–9. http://dx.doi.org/10.1155/2016/1861247.

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The consumer behavior has been observed to be largely influenced by image data with increasing familiarity of smart phones and World Wide Web. Traditional technique of browsing through product varieties in the Internet with text keywords has been gradually replaced by the easy accessible image data. The importance of image data has portrayed a steady growth in application orientation for business domain with the advent of different image capturing devices and social media. The paper has described a methodology of feature extraction by image binarization technique for enhancing identification a

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Kim, Sang-Yup, and Seong-Whan Lee. "Gray-Scale Nonlinear Shape Normalization Method for Handwritten Oriental Character Recognition." International Journal of Pattern Recognition and Artificial Intelligence 12, no. 01 (1998): 81–95. http://dx.doi.org/10.1142/s0218001498000075.

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In general, nonlinear shape normalization methods for binary images have been used in order to compensate for the shape distortions of handwritten characters. However, in most document image analysis and recognition systems, a gray-scale image is first captured and digitized using a scanner or a video camera, then a binary image is extracted from the original gray-scale image using a certain extraction technique. This binarization process may remove some useful information of character images such as topological features, and introduce noises to character background. These errors are accumulat

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Lu, An Qun, Shou Zhi Zhang, and Qian Tian. "Matlab Image Processing Technique and Application in Pore Structure Characterization of Hardened Cement Pastes." Advanced Materials Research 785-786 (September 2013): 1374–79. http://dx.doi.org/10.4028/www.scientific.net/amr.785-786.1374.

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Based on Matlab image processing technique and backscattered electron image analysis method, a characterization method is set up to make quantitative analysis on pore structure of hardened cement pastes. Adopt Matlab to acquire images, and carry out gradation and binarization processing for them; use the combination method of local threshold segmentation and histogram segmentation to obtain pore structure characteristics. The results showed that evolution law of pore structure of fly ash cement pastes via Matlab image analysis method is similar to the conclusion obtained through BET and DVS. S

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Lee, Seungju, Yoonjae Chung, Chunyoung Kim, and Wontae Kim. "Automatic Thinning Detection through Image Segmentation Using Equivalent Array-Type Lamp-based Lock-in Thermography." Sensors 23, no. 3 (2023): 1281. http://dx.doi.org/10.3390/s23031281.

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Among the non-destructive testing (NDT) techniques, infrared thermography (IRT) is an attractive and highly reliable technology that can measure the thermal response of a wide area in real-time. In this study, thinning defects in S275 specimens were detected using lock-in thermography (LIT). After acquiring phase and amplitude images using four-point signal processing, the optimal excitation frequency was calculated. After segmentation was performed on each defect area, binarization was performed using the Otsu algorithm. For automated detection, the boundary tracking algorithm was used. The n

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